- In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Greek πολύ (poly-) ‘many’, and ἕδρον (-hedron) ‘base, seat’) is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices.
or by the earth, for it is his footstool; or by Jerusalem, for it is the city of the Great King.
Matthew 5:35 NIV